Mastercard

Software Engineer I

O'Fallon, Missouri, USA · Part-time

Sponsorship not specified$72k-$115kDetected 8 hours ago

PythonJavaC#Object-Oriented ProgrammingData StructuresCode ReviewCybersecurityResearchCommunicationProblem Solving

About the role

Participate in code reviews and apply engineering best practices to improve code quality and maintainability
Research and evaluate technical solutions to address changing business and customer needs
Apply secure coding practices throughout the software development lifecycle

We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible.
Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Design, develop, test, deploy, and maintain software applications and services
Contribute to software design and architecture discussions to build scalable, maintainable, and secure solutions
Support performance engineering activities to improve application responsiveness and scalability
Contribute to system operability, monitoring, reliability, and support readiness
Create and maintain technical, testing, and system documentation
Support software metrics collection, reporting, and continuous improvement initiatives
Collaborate effectively within diverse, matrixed, and geographically distributed teams
As a Software Engineer, you'll work alongside experienced engineers to design, develop, test, deploy, and support software solutions while building a strong foundation in modern software engineering practices.

Knowledge of data structures and their use in solving technical problems efficiently
Familiarity with object-oriented programming and modern programming languages such as Java, Python, C#, or similar
Knowledge of code review practices and software quality standards
Familiarity with secure coding practices and application security fundamentals
Ability to troubleshoot and analyze software and system issues using structured problem-solving approaches

Leverage AI-assisted development tools responsibly while validating outputs for quality, security, and accuracy
Continuously learn new technologies, frameworks, and engineering practices

Together with our customers, we're helping build a sustainable economy where everyone can prosper.

This listing is sourced directly from Mastercard's careers page and normalized into a canonical job model.